Related Experiment Video

Updated: Jul 25, 2026

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
06:57

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction

Published on: January 31, 2019

Ventricular Arrhythmias

Ott1

  • 1Sarver Heart Center, University of Arizona Health Sciences Center, 1501 N Campbell Ave, Tucson, AZ 85724, USA. Ottp@U.Arizona.edu

Current Treatment Options in Cardiovascular Medicine
|November 30, 2000
PubMed

Insights

Implantable cardioverter-defibrillators (ICDs) are first-line therapy for secondary prevention of ventricular arrhythmias (VAs). ICDs also reduce mortality for primary prevention in high-risk myocardial infarction patients.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Devices

Background:

  • Recent clinical trials provide evidence for managing ventricular arrhythmias (VAs).
  • The role of implantable cardioverter-defibrillators (ICDs) and antiarrhythmic drugs is evolving.
  • Risk stratification is crucial for preventing sudden cardiac death.

Purpose of the Study:

  • To outline an evidence-based approach to ventricular arrhythmias.
  • To define the optimal use of ICDs and antiarrhythmic drugs for primary and secondary prevention.
  • To discuss alternative therapies like catheter ablation for specific VA types.

Main Methods:

  • Review of recent clinical trial data.
  • Analysis of survival outcomes for different treatment strategies.
  • Evaluation of primary and secondary prevention efficacy.

Main Results:

  • ICDs are first-line for secondary prevention of potentially lethal VAs.
  • Antiarrhythmic drug selection does not improve survival in secondary prevention.
  • ICDs reduce mortality in high-risk post-myocardial infarction patients for primary prevention.
  • Catheter ablation is highly effective for monomorphic VAs without heart disease.

Conclusions:

  • ICDs are crucial for both secondary prevention and selected primary prevention of VAs.
  • Antiarrhythmic drugs have a limited role in improving survival for VA.
  • Catheter ablation offers a successful alternative for specific VA patient groups.

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